2024-05-17 07:57:26

by Artem Savkov

[permalink] [raw]
Subject: [PATCH 1/5] powerpc64/bpf: jit support for 32bit offset jmp instruction

Add jit support for JMP32_JA instruction. Tested using test_bpf module.

Signed-off-by: Artem Savkov <[email protected]>
---
arch/powerpc/net/bpf_jit_comp64.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c
index 8afc14a4a1258..3071205782b15 100644
--- a/arch/powerpc/net/bpf_jit_comp64.c
+++ b/arch/powerpc/net/bpf_jit_comp64.c
@@ -1053,6 +1053,9 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, u32 *fimage, struct code
case BPF_JMP | BPF_JA:
PPC_JMP(addrs[i + 1 + off]);
break;
+ case BPF_JMP32 | BPF_JA:
+ PPC_JMP(addrs[i + 1 + imm]);
+ break;

case BPF_JMP | BPF_JGT | BPF_K:
case BPF_JMP | BPF_JGT | BPF_X:
--
2.45.0